Digilent DDR-2 Opus Card - Manual

12/03/2010 07:35 AM 1 Copyright © 2009-2010 by CML
Opus Card – DDR-2 Interface
Reference Manual
Revision Name Date
0.02 Rick Hoover August 21, 2009
0.03 Rick Hoover – Added support for burst reads and writes September 30, 2009
0.04 Rick Hoover – Made corrections to Bus2IP_RdReq that
match ChipScope traces. Basically Bus2IP_RdReq is
active for only one clock on non-burst reads and is active
one additional clock past the de-assertion of Bus2IP_CS
for burst reads. October 6, 2009
0.10 Rick Hoover – Added support for burst of eight quad-
words. This is required for DMA accesses. Also added
configuration register for resetting the Ethernet PHY and to
control burst accesses via software. November 16, 2009
1.00 Rick Hoover – Released December 3, 2010
Copyright © 2009-2010 by Computer Measurement Laboratory, LLC